If you see a discount on LED bulbs, will you buy them to replace your old lights?, If the local school installs solar panels, will they have fewer electricity bills in the future?, If the gas prices go up next month, will you consider buying an electric car?, If the government bans plastic bags, will supermarkets increase their stock of cloth bags?, If you received a tax break for riding a bike to work instead of driving, would you switch?, If you could get unlimited free electricity for your home but it came from coal, would you accept the offer?, If you could fly on a solar-powered plane, where would you travel first?, If Thomas Edison had focused on solar energy instead of the light bulb, would we have had solar-powered homes much earlier?, If ancient civilizations had understood wind energy, might they have built cities with large wind farms?, If they had promoted renewable energy more aggressively in the 1990s, could we have achieved better sustainability by now?, If you receive a discount on solar panel installation, will you consider setting them up on your rooftop?, If wind farms become more common in coastal areas, will electricity prices drop in those regions?, When hamsters run on a wheel connected to a generator, do they dream of powering a small city?, When you place solar panels in direct sunlight, do they generate more power?, If you stand close to a wind turbine, can you hear its blades whirring?.

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